42783199280 has 40 divisors (see below), whose sum is σ = 99491136624. Its totient is φ = 17109804800.

The previous prime is 42783199247. The next prime is 42783199313. The reversal of 42783199280 is 8299138724.

It is a Cunningham number, because it is equal to 206841²-1.

It is an interprime number because it is at equal distance from previous prime (42783199247) and next prime (42783199313).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361970 + ... + 465390.

Almost surely, 2^42783199280 is an apocalyptic number.

42783199280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42783199280 is an abundant number, since it is smaller than the sum of its proper divisors (56707937344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42783199280 is a wasteful number, since it uses less digits than its factorization.

42783199280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108605 (or 108599 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 42783199280 in words is "forty-two billion, seven hundred eighty-three million, one hundred ninety-nine thousand, two hundred eighty".